Home / 1,898,231.20-2,619,559.08-1,038,791.80

Finding the Fourth Proportional to 1,898,231.20, 2,619,559.08 and 1,038,791.80

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Solution

The fourth proportional to 1,898,231.20, 2,619,559.08 and 1,038,791.80 is: 1,433,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,231.20 : 2,619,559.08 = 1,038,791.80 : x
  2. Step 2: Convert to fraction form
    1,898,231.20/2,619,559.08 = 1,038,791.80/x
  3. Step 3: Cross multiply
    1,898,231.20x = 2,619,559.08 × 1,038,791.80
  4. Step 4: Simplify right side
    1,898,231.20x = 2,721,176,491,919.54
  5. Step 5: Solve for x
    x = 2,721,176,491,919.54/1,898,231.20
  6. Step 6: Final answer
    x = 1,433,532.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.